Motorcycle neck



FIG. 1 is a top plan view of a motorcycle neck showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view, the right side being a mirror image thereof; and,

FIG. 5 is a rear elevation view thereof. 

CLAIM The ornamental design for the motorcycle neck, as shown and described. 